Sydney FC has given teenager Terry Antonis permission to train with German Bundesliga club Borussia Monchengladbach for the next 10 days.

Sydney FC has given teenager Terry Antonis permission to train with German Bundesliga club Borussia Monchengladbach for the next 10 days.

The midfielder left Sydney earlier this week and will spend 10 days training with the Bundesliga giants after which time he will return to Sydney.

At that stage Sydney FC, Borussia Monchengladbach, Terry Antonis and his agent will discuss his future.